diff --git a/CMakeLists.txt b/CMakeLists.txt
index d309b21202ae5eaf9345bf3d3c7fcd9aaf172bbb..b3b349ca4d358ff10d3c78a809e4bd08b645142d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,7 @@ SET(PROJECT_URL "http://github.com/stac-of-tasks/pinocchio")
 
 IF(APPLE)
   SET(CMAKE_MACOSX_RPATH 1)
+  SET(CMAKE_OSX_DEPLOYMENT_TARGET 10.10)
 ENDIF(APPLE)
 
 # Disable -Werror on Unix for now.